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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Katsuura, Japan, is a cool winter month, with an average temperature ranging between max 10.6°C (51.1°F) and min 7°C (44.6°F). January is the month when Katsuura sees the lowest average temperatures, with a high of 10.6°C (51.1°F) and a low of 7°C (44.6°F). Weather in January »
Weather in February
The last month of the winter, February, is another cool month in Katsuura, Japan, with an average temperature varying between 7.3°C (45.1°F) and 11.1°C (52°F). The advent of February presents an average high-temperature of a still fresh 11.1°C (52°F), maintaining a close correlation with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a moderate month in Katsuura, Japan, with an average temperature ranging between min 9.6°C (49.3°F) and max 13.6°C (56.5°F). February's transformation into March witnesses an average high-temperature of a moderate 13.6°C (56.5°F), noting a minor change from the preceding month. Weather in March »
Weather in April
April in Katsuura, Japan, is a refreshing spring month, with an average temperature varying between 16.8°C (62.2°F) and 13.3°C (55.9°F). The shift into April is characterized by a subtle rise in the average high-temperature, transitioning from March's moderate 13.6°C (56.5°F) to a comfortable 16.8°C (62.2°F). Weather in April »
Weather in May
May, the last month of the spring in Katsuura, is a pleasant month, with an average temperature ranging between max 20.4°C (68.7°F) and min 17.4°C (63.3°F). As May arrives, a slight rise in the average high-temperature is observed, moving from an enjoyable 16.8°C (62.2°F) in April to an agreeable 20.4°C (68.7°F). Weather in May »
Weather in June
June, the first month of the summer in Katsuura, is still a pleasant month, with an average temperature ranging between max 22.7°C (72.9°F) and min 20.3°C (68.5°F). Katsuura's average high-temperature in June sits at a still pleasant 22.7°C (72.9°F), showing little difference from the previous month. Weather in June »
Weather in July
July in Katsuura, Japan, is a moderately hot summer month, with an average temperature varying between 26.4°C (79.5°F) and 23.7°C (74.7°F). July brings a slight elevation in the average high-temperature, transitioning from June's pleasant 22.7°C (72.9°F) to a warm 26.4°C (79.5°F). Weather in July »
Weather in August
August, the last month of the summer in Katsuura, is also a moderately hot month, with an average temperature ranging between max 28.3°C (82.9°F) and min 25.6°C (78.1°F). With an average high-temperature of 28.3°C (82.9°F) and an average low-temperature of 25.6°C (78.1°F), August is the warmest month. August's heat index is computed to be a hot 33°C (91.4°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Katsuura, Japan, with an average temperature ranging between min 23.5°C (74.3°F) and max 25.8°C (78.4°F). September's onset records an average high-temperature of a still warm 25.8°C (78.4°F), a near match to August's 28.3°C (82.9°F). Weather in September »
Weather in October
October, the same as September, in Katsuura, Japan, is another pleasant autumn month, with temperature in the range of an average high of 22°C (71.6°F) and an average low of 19.2°C (66.6°F). The average high-temperature slightly decreases in October, shifting from a moderately hot 25.8°C (78.4°F) in September to a pleasant 22°C (71.6°F). Weather in October »
Weather in November
The last month of the autumn, November, is another comfortable month in Katsuura, Japan, with temperature in the range of an average low of 14.6°C (58.3°F) and an average high of 17.6°C (63.7°F). In Katsuura, the average high-temperature in November gently drops from a pleasant 22°C (71.6°F) in October to an enjoyable 17.6°C (63.7°F). Weather in November »
Weather in December
The first month of the winter, December, is still a refreshing month in Katsuura, Japan, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 13.5°C (56.3°F). December ushers in a minor alteration in Katsuura's climate, with the average high-temperature moving from November's refreshing 17.6°C (63.7°F) to a mild 13.5°C (56.3°F). Weather in December »
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Katsuura?
Katsuura's January weather reaches an average high of 10.6°C (51.1°F) and an average low of 7°C (44.6°F), making it the coldest month.
What is the least humid month in Katsuura?
The least humid month in Katsuura, Japan, is January, with an average relative humidity of 63%.
What is the driest month in Katsuura?
The month with the least rainfall in Katsuura, Japan, is January, when the rain falls for 9.6 days and typically collects 58mm (2.28") of precipitation.
How many days does it rain in Katsuura?
In Katsuura, Japan, during the entire year, the rain falls for 178.9 days and collects up to 1201mm (47.28") of precipitation.
When does it snow in Katsuura?
Months with snowfall are January and February.
When does it snow the most in Katsuura?
The months with the most snowfall days in Katsuura are January and February, with an average of 0.1 snowfall days.
How many days does it snow in Katsuura?
In Katsuura, during the entire year, snow falls for 0.2 days.
What is the month with the lowest UV index in Katsuura?
The months with the lowest UV index are January and February, with an average maximum UV index of 3.
What is the month with the coldest sea water in Katsuura?
February is the month with the coldest seawater in Katsuura, Japan, with an average sea temperature of 17°C (62.6°F).
What is the month with the least sunshine in Katsuura?
February has the least sunshine of the year, with an average of 4.9h of sunshine.
When it does not snow in Katsuura?
In Katsuura, snow does not fall in March through December.
When are the longest days in Katsuura?
With an average of 14h and 30min of daylight, June has the longest days of the year in Katsuura, Japan.
What is the month with the highest UV index in Katsuura?
The months with the highest UV index in Katsuura, Japan, are June through September, with an average maximum UV index of 6.
What is the most humid month in Katsuura?
With an average relative humidity of 86%, July is the most humid month in Katsuura.
What is the hottest time of year in Katsuura?
August brings the highest temperatures, with an average high of 28.3°C (82.9°F) and an average low of 25.6°C (78.1°F).
When is the sea warmest in Katsuura?
August and September, with an average sea temperature of 26.3°C (79.3°F), are months with the warmest seawater in Katsuura, Japan.
What month has the most sunshine in Katsuura?
August has the most sunshine of the year, with an average of 10.6h of sunshine.
What is the rainiest month in Katsuura?
The month with the most rainfall in Katsuura, Japan, is October, when the rain falls for 18.5 days and typically aggregates up to 164mm (6.46") of precipitation.
What is the month with the shortest days in Katsuura?
December has the shortest days of the year, with an average of 9h and 48min of daylight.
Is there Daylight Saving Time (DST) in Katsuura?
Katsuura does not utilize Daylight Saving Time (DST). JST timezone is used throughout the entire year.
Average temperature
Katsuura, Japan
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (10.6°C).
The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (7°C).
Average pressure
Katsuura, Japan
- Average pressure in January:
1015.5mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1015.1mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1012mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.7mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1013.1mbar - Average pressure in October:
1016.1mbar - Average pressure in November:
1017.6mbar - Average pressure in December:
1015.7mbar
The month with the highest atmospheric pressure is November (1017.6mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed
Katsuura, Japan
- Average wind speed in January:
23.8km/h - Average wind speed in February:
24.7km/h - Average wind speed in March:
25.5km/h - Average wind speed in April:
23.9km/h - Average wind speed in May:
20.6km/h - Average wind speed in June:
18.7km/h
- Average wind speed in July:
20.2km/h - Average wind speed in August:
18.9km/h - Average wind speed in September:
20.2km/h - Average wind speed in October:
22.5km/h - Average wind speed in November:
21.7km/h - Average wind speed in December:
24.1km/h
The windiest month (with the highest average wind speed) is March (25.5km/h).
The calmest month (with the lowest average wind speed) is June (18.7km/h).
Average humidity
Katsuura, Japan
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is January (63%).
Average rainfall
Katsuura, Japan
- Average rainfall in January:
58mm - Average rainfall in February:
74mm - Average rainfall in March:
111mm - Average rainfall in April:
97mm - Average rainfall in May:
88mm - Average rainfall in June:
131mm
The wettest month (with the highest rainfall) is October (164mm).
The driest month (with the least rainfall) is January (58mm).
Average rainfall days
Katsuura, Japan
- Average rainfall days in January:
9.6 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
17.5 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
13 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
15.4 days - Average rainfall days in August:
14.5 days - Average rainfall days in September:
17.2 days - Average rainfall days in October:
18.5 days - Average rainfall days in November:
15.3 days - Average rainfall days in December:
12.1 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is January (9.6 days).
Average snowfall days
Katsuura, Japan
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature
Katsuura, Japan
The best months for swimming (with the highest average sea temperature) are August and September (26.3°C).
The coldest month (with the lowest average sea temperature) is February (17°C).
Average daylight / Average sunshine
Katsuura, Japan
- Average daylight in January:
10h and 1min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 3min
- Average daylight in July:
14h and 2min - Average daylight in August:
13h and 3min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 0min - Average sunshine in February:
4h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 2min - Average sunshine in August:
10h and 4min - Average sunshine in September:
7h and 5min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 2min - Average sunshine in December:
5h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days
Katsuura, Japan
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
11.3 days - Average sunshine days in April:
12.1 days - Average sunshine days in May:
16.3 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.2 days - Average sunshine days in November:
13.6 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is October (10.2 days).
Average UV index
Katsuura, Japan
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January and February (UV index 3).
Average cloud cover
Katsuura, Japan
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility
Katsuura, Japan
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
